A class has 39 students.16 persons joined in the sport group.12 persons joined the in wall newspaper and 9 persons only are in the sport group. How many of them are not part of any group?‏‏

Respuesta :

Answer: 2

Step-by-step explanation:

39-16-12-9=2

Answer:

18

Step-by-step explanation:

see attached for Venn diagram

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